Lochinvar 90 manuals

Lochinvar 90 User Manual (68 pages)

Brand: Lochinvar | Category: Fireplaces | Size: 11.06 MB |

English

Table of contents

Hazard definitions

2

Contents

2

Please read before proceeding

3

Ratings

5

Copper-fin Specifications

6

Models CWN270 Front View

8

Model CWN399 (inside unit)

8

Model CWN399 Front View

8

Model CWN270 (inside unit)

8

1 Determine unit location

10

1 Determine boiler location

11

TABLE - 1B

13

AIR SUPPLY TO EQUIPMENT ROOM

13

2 Venting

14

2 Venting (continued)

15

3 Gas connections

19

Gas connections (continued)

21

4 Hydronic piping

24

Hydronic piping (continued)

25

5 Electrical connections

33

TABLE - 5C

35

Outdoor Air Reset Option

37

(continued)

39

6 Start-up

40

6 Start-up (continued)

41

7 Domestic water heaters

46

TABLE - 7B

47

INSTALLATIONS

47

INSTRUCTIONS

51

Relief Valve

53

Service technician

54

Owner maintenance

54

8 Maintenance (continued)

55

8 Maintenance

56

8 Maintenance (continued)

59

8 Maintenance

60

9 Troubleshooting

61

9 Troubleshooting

62

10 Diagrams

63

10 Diagrams (continued)

65

CFA-I-S Rev A

68

Lochinvar devices